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audio: play DualSense haptics from vibration audio ports (#843)

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* audio: play DualSense haptics from vibration audio ports

Games drive the DualSense's actuators through a vibration audio port, one channel per actuator.
These ports had no device, so their samples were dropped. Over USB the DualSense is a 4-channel
audio device whose back channels feed the actuators; play the port's samples there through SDL.

The device is looked up while the port plays, so the controller can be connected at any time. The
queue keeps about the latency of the regular audio path, with the playback rate nudged by up to 3%
when the port is fed off real time.

While haptic audio plays, hold a DualSense's rumble at zero: SDL disables audio haptics whenever
rumble is non-zero.

Add pad_haptics tests for the sample conversion, device-name matching and rate correction.

* Simplify DualSense audio haptics and restore idle rumble

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Devran Cosmo Uenal
2026-09-26 22:37:27 +02:00
committed by GitHub
parent 81f312638f
commit a22a9d9348
7 changed files with 588 additions and 3 deletions
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CMakeLists.txt
+8
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@@ -477,6 +477,12 @@ add_executable(ngs2_sampler_tests EXCLUDE_FROM_ALL
target_link_libraries(ngs2_sampler_tests common fmt::fmt LibAtrac9)
target_include_directories(ngs2_sampler_tests PRIVATE ${inc_headers})
add_executable(pad_haptics_tests EXCLUDE_FROM_ALL
"${KYTY_TESTS_DIR}/PadHapticsTests.cpp"
)
target_link_libraries(pad_haptics_tests common fmt::fmt SDL3::SDL3-static)
target_include_directories(pad_haptics_tests PRIVATE ${inc_headers})
add_executable(save_data_memory_tests EXCLUDE_FROM_ALL
"${KYTY_TESTS_DIR}/SaveDataMemoryTests.cpp"
)
@@ -569,6 +575,7 @@ if(BUILD_TESTING)
add_test(NAME sync_on_address COMMAND $<TARGET_FILE:sync_on_address_tests>)
add_test(NAME audio_out2_port COMMAND $<TARGET_FILE:audio_out2_port_tests>)
add_test(NAME ngs2_sampler COMMAND $<TARGET_FILE:ngs2_sampler_tests>)
add_test(NAME pad_haptics COMMAND $<TARGET_FILE:pad_haptics_tests>)
add_test(NAME save_data_memory COMMAND $<TARGET_FILE:save_data_memory_tests>)
add_test(NAME shader_recompiler_compute COMMAND $<TARGET_FILE:shader_recompiler_compute_tests>)
add_test(NAME shader_recompiler_alignbyte
@@ -636,6 +643,7 @@ if(BUILD_TESTING)
virtual_memory_allocation_tests
audio_out2_port_tests
ngs2_sampler_tests
pad_haptics_tests
save_data_memory_tests
)
endif()